OpenTechnical

OT-2026-000005766

Publication integrity record

Porous face vacuum gripper, per zone isolation, two stage ejector, pressure verified, contact triggered

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005766) never changes.

Identity and time

Publication numberOT-2026-000005766 · never reused
Internal UUID01a0a944-1b95-757e-b09e-66360edf2025 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:08.153145Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005766
StatusPUBLIC

Content hashes

Canonical textd9f363fd7d48e1bb37f3116b2afeb3438c84dd18b6b9e0b1f9c3c9a1667d5dfa
Markdownfddf183fa74153100583dbaacc1b5c832f40179920dbdd98edea93aaa41f6c75
PDF
Publication page5f150626327bb51c4095ce4f5746ea0b01a43354f6ac82dfed57c9c2c8bb659b
Manifest4180219098f9f68f8a34e868e0ce01d724735436bca1e19080c6dc6024a1da2c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureB7HsWSG217U37Sqm7ubM0/K/RMpxqxEt0aFrTOkTjHyKXyP8222HIHUjrD1miaNbNfPVwyeG08Yjf8naxBSTAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:35.373675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005766
observed 5f150626327bb51c4095ce4f5746ea0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.243751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005766/manifest.json
observed 4180219098f9f68f8a34e868e0ce01d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.228169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005766/publication.md
observed fddf183fa74153100583dbaacc1b5c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.213279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005766/publication.txt
observed d9f363fd7d48e1bb37f3116b2afeb343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.